The Greeks had some words for it. Early Greek concepts on mind and "insanity".
D000076145:Greece, Ancient; D049690:History, Ancient; D006801:Humans; D008091:Literature; D001523:Mental Disorders / Q000266:history*; D008606:Mental Processes; D009229:Mythology; D010551:Personality; D010684:Philosophy; D011573:Psychoanalytic Interpretation